Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.6 A 0.4 A None of these 0.3 A 0.2 A 0.6 A 0.4 A None of these 0.3 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: inductive reactance is equal to the capacitive reactance capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance None of these inductive reactance is equal to the capacitive reactance capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from positive to negative from right to left from negative to positive from neutral to positive None of these from positive to negative from right to left from negative to positive from neutral to positive None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 0 V 60 V 36 V None of these 40 V 0 V 60 V 36 V None of these 40 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: amplitude on the vertical axis and the passage of time on the horizontal axis None of these amplitude on the vertical axis and frequency on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis None of these amplitude on the vertical axis and frequency on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? None of these 99.3 Ohm 250 Ohm 60 Ohm 70.7Ohm None of these 99.3 Ohm 250 Ohm 60 Ohm 70.7Ohm ANSWER DOWNLOAD EXAMIANS APP
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